| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2014-10-17 16:15 |
Kanagawa | Keio Univ. | Performance of Downlink Control Information Signals Using Decision-Feedback Channel Estimation for EPDCCH Shinya Hirayama (Tokyo City Univ.), Kazuaki Takeda, Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.)  RCS2014-191 |
In Release (Rel.) 11 Long Term Evolution (LTE)-Advanced radio interface, Enhanced Physical Downlink Control Channel (EPD... [more] | RCS2014-191 pp.195-200 |
| SAT, RCS (Joint) |
2014-08-20 15:00 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | TDM Based Reference Signal Multiplexing for Faster-than-Nyquist Signaling Using OFDM/OQAM Takahiro Hirano (Tokyo City Univ.), Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-153 |
This paper proposes time division multiplexing (TDM) based reference signal (RS) multiplexing for the non-orthogonal mul... [more] | RCS2014-153 pp.85-90 |
| RCC, ASN, NS, RCS, SR (Joint) |
2014-08-01 14:15 |
Kyoto | Kyoto Terrsa | Effects of Antenna Receiver Diversity for Faster-than-Nyquist Using OFDM/OQAM in Multipath Fading Channel Kazusa Yagishita (Tokyo City Univ.), Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-134 |
This paper presents the effects of antenna receiver diversity for Faster-than-Nyquist (FTN) employing orthogonal frequen... [more] | RCS2014-134 pp.245-250 |
| IN, RCS (Joint) |
2014-05-15 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Performance of Outer-Loop Control of MCS Selection Based on Block Error in Each Resource Block for OFDM-MIMO SDM Yasuhiro Kuge (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-19 |
This paper presents performance of outer-loop control for selecting modulation and coding scheme (MCS) based on mutual i... [more] | RCS2014-19 pp.1-6 |
| IN, RCS (Joint) |
2014-05-15 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | CSI Reference Signal Multiplexing Using Carrier Frequency Swapping for FDD High-Order MIMO SDM Mamoru Sawahashi (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO) RCS2014-20 |
This paper proposes channel state information - reference signal (CSI-RS) multiplexing employing carrier frequency swapp... [more] | RCS2014-20 pp.7-12 |
| RCS, SIP | 2014-01-23 15:15 |
Fukuoka | Kyushu Univ. | System-Level Evaluation on Enhanced 4-Tx Codebook for LTE-Advanced Downlink Multi-User MIMO Yuichi Kakishima (NTT DOCOMO), Yang Song (DOCOMO Beijing Lab.), Anass Benjebbour, Satoshi Nagata (NTT DOCOMO), Huiling Jiang (DOCOMO Beijing Lab.), Yoshihisa Kishiyama, Takehiro Nakamura (NTT DOCOMO) SIP2013-97 RCS2013-267 |
In LTE-Advanced downlink, multi-user (MU)-MIMO transmission is considered to be a promising technology to improve cell-a... [more] | SIP2013-97 RCS2013-267 pp.71-76 |
| RCS, SIP | 2014-01-23 15:40 |
Fukuoka | Kyushu Univ. | System-Level Evaluations for Multi-User MIMO Using Enhanced Codebook Considering User Mobility in LTE-Advanced Downlink Yanyan Ma (NTT DOCOMO), Yu Jiang (DOCOMO Beijing Lab.), Yuichi Kakishima, Satoshi Nagata, Yoshihisa Kishiyama, Takehiro Nakamura (NTT DOCOMO) SIP2013-98 RCS2013-268 |
This paper investigates a system-level performance gain of the proposed downlink codebook structure for 4-by-2 multi-use... [more] | SIP2013-98 RCS2013-268 pp.77-82 |
| RCS, AP (Joint) |
2013-11-20 14:00 |
Shimane | Matsue Terrsa | Comparison of Beamforming Matrix Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix Nobuhide Nonaka (Tokyo Univ. of Science), Yuichi Kakishima (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2013-176 |
This paper investigates beamforming control method in the base station (BS) cooperative multiuser multiple-input multipl... [more] | RCS2013-176 pp.13-18 |
| RCS, AP (Joint) |
2013-11-20 14:50 |
Shimane | Matsue Terrsa | Effects of MCS Selection Error due to RTT and Channel Estimation Error for Signal Detection for OFDM-MIMO Multiplexing with AMC Bing Han (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2013-178 |
This paper presents effects of modulation and coding scheme (MCS) selection error due to round trip delay time (RTT) and... [more] | RCS2013-178 pp.25-30 |
| RCS | 2013-06-20 11:10 |
Hokkaido | Hokkaido Univ. | Base Station Cooperative Multiuser MIMO Using Block-diagonalized Random Beamforming with Online Update Nobuhide Nonaka (Tokyo Univ. of Science), Yuichi Kakishima (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2013-49 |
This paper investigates an application of random (opportunistic) beamforming (RB) to the base station (BS) cooperative m... [more] | RCS2013-49 pp.73-78 |
| RCS, NS, USN (Joint) |
2012-07-19 13:20 |
Iwate | Iwate Univ. | Experimental Evaluations on User Pair Selection for 4-by-2 MU-MIMO Using AMC with Outer-Loop Threshold Control in LTE-Advanced Downlink Keisuke Saito, Yuichi Kakishima, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Labs.), Hidehiro Andoh (NTT DOCOMO) RCS2012-79 |
This paper presents laboratory experimental results on user pair selection for 4-by-2 multi-user (MU)-MIMO employing min... [more] | RCS2012-79 pp.25-30 |
| RCS | 2012-06-21 16:10 |
Hokkaido | Hakodate City Central Library | Indoor Experiments on 4-by-2 MU-MIMO Considering Various Antenna Arrangements of Base Station in LTE-Advanced Downlink Yuichi Kakishima, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Labs.), Hidehiro Andoh (NTT DOCOMO) RCS2012-56 |
This paper presents indoor experimental results that consider a real propagation environment for 4-by-2 multi-user (MU)-... [more] | RCS2012-56 pp.79-84 |
| SR, RCS, SRW (Joint) |
2012-03-08 10:50 |
Kanagawa | YRP | Experimental Evaluation on 4-by-2 MU-MIMO Achieving 1 Gbps Throughput Considering CSI Feedback Quantization in LTE-Advanced Downlink Yuichi Kakishima, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Lab), Hidehiro Andoh (NTT DOCOMO) RCS2011-341 |
[more] | RCS2011-341 pp.151-156 |
| AP, RCS (Joint) |
2011-11-17 14:45 |
Aichi | Nagoya Congress Center | [Requested Talk] Experimental Evaluations for Radio Access Technologies in LTE-Advanced Teruo Kawamura, Yuichi Kakishima, Shinpei Yasukawa, Keisuke Saito, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Communications Labs. Europe), Hidehiro Andoh (NTT DOCOMO) AP2011-110 RCS2011-214 |
In Long-Term Evolution (LTE)-Advanced, which is specified as LTE Release 10 and beyond in 3rd Generation Partnership Pro... [more] | AP2011-110 RCS2011-214 pp.119-124(AP), pp.149-154(RCS) |
| RCS, AN, SR, USN (Joint) |
2011-10-28 16:30 |
Tokyo | Sophia Univ. | Field Experiments on Carrier Aggregation with Asymmetric Bandwidth for LTE-Advanced Keisuke Saito, Yuichi Kakishima, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Communications Laboratories Europe GmbH), Hidehiro Andoh (NTT DOCOMO) RCS2011-187 |
[more] | RCS2011-187 pp.279-284 |
| RCS, NS (Joint) |
2011-07-21 10:45 |
Hokkaido | Asahikawa Civic Culture Hall | Performance Evaluation on Tracking Ability of CSI Feedback for MU-MIMO Transmission using Real-time Baseband Signal Processor for LTE-Advanced Downlink Yuichi Kakishima, Kazuaki Takeda, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Lab), Hidehiro Andoh (NTT DOCOMO) RCS2011-79 |
This paper presents laboratory experimental results on 4-by-2 multi-user (MU)-MIMO multiplexing with two mobile stations... [more] | RCS2011-79 pp.25-30 |
| NS, RCS (Joint) |
2010-12-17 09:00 |
Okayama | Okayama Univ. | Throughput Performance Evaluation of Two-Antenna Transmit Diversity Schemes Considering Channel Estimation Error in LTE-Advanced Uplink using SC-FDMA Yuichi Kakishima, Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Lab), Takehiro Nakamura (NTT DOCOMO) RCS2010-180 |
This paper presents the optimum two-antenna transmit diversity scheme for the uplink shared data channel from the viewpo... [more] | RCS2010-180 pp.127-132 |
| AP, RCS (Joint) |
2010-11-11 14:10 |
Fukui | Fukui Univ. | Performance Analysis of Asymmetric Carrier Aggregation Using Real-Time Baseband Experimental Equipment for LTE-Advanced Yuichi Kakishima, Teruo Kawamura, Yoshihisa Kishiyama (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Lab), Takehiro Nakamura (NTT DOCOMO) RCS2010-146 |
This paper presents the throughput performance evaluation of asymmetric carrier aggregation (CA) for LTE-Advanced uplink... [more] | RCS2010-146 pp.23-28 |
| SAT, RCS (Joint) |
2010-08-26 13:50 |
Kagoshima | Kagoshima Univ. | Investigation of Precoding Vector Selection Scheme Combined with Frequency Domain Scheduling for Closed-Loop Precoding in SC-FDMA Based LTE-Advanced Uplink Yuichi Kakishima, Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Laboratories Europe), Takehiro Nakamura (NTT DOCOMO) RCS2010-84 |
(To be available after the conference date) [more] | RCS2010-84 pp.37-42 |
| SR | 2006-07-27 14:00 |
Kanagawa | YRP | [Technology Exhibit]
Implementation of MIMO-OFDM Eigenmode Transmission System for IEEE802.11n/16e Yuichi Kakishima, Kim Min Jee, Ting SeeHo (Tokyo Tech), Fumie Ono (Tokyo univ. of science), Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech) SR2006-20 |
A MIMO software defined radio has been developed for the purpose of research and development of future MIMO systems. A ... [more] |
SR2006-20 pp.43-49 |
[Return to Top Page]